Dr. Jaeheon Sim joined the Research and Development Center at Saudi Aramco in 2016 as a laboratory scientist. He was granted a Ph.D. by the University of Michigan in 2010, and continued studying spray modeling and spacecraft fuel delivery application including liquid fuel draining, sloshing, surface stability and evaporation with development of multiphase flow computation code. At Saudi Aramco, he applies his experience on the spray modeling and multiphase flow computation to the gasoline compression ignition engine application.​